You’ve likely done the upgrades. Better cables. Regenerated power. Carefully chosen gear. The system probably sounds excellent—clean, balanced, refined. And yet, something still feels like it’s holding back. The treble seems softened. Transients don’t quite jump. There’s presence, but not spark.
It may come across as tonal. But the real culprit could be chemical.
What to Do
Once a year, go over every connection in your system. That includes RCA and XLR plugs, spades, bananas, IEC power cords—even speaker jumpers and ground lugs. Use a high-quality contact cleaner designed for audio, like DeoxIT D5. Apply a small amount to a lint-free cloth or applicator—never directly into the jack. Clean gently, reseat firmly.
The goal isn’t polish. It’s conductivity.
Here’s Why That Works
Metal-on-metal connections oxidize. It doesn’t take much. Just a thin layer of atmospheric contamination—humidity, air pollution, even skin oil over time. These micro-films act like tiny resistors, increasing impedance and disrupting low-level signal flow. The result? Softened attacks. Blurred textures. A soundstage that feels flatter, less alive.
You won’t hear a buzz. You’ll hear a veil.
But clean those contacts, and the haze lifts. You don’t get more volume—you get more resolution. The highs breathe. The mids sharpen. The room opens up.
Because sometimes, the system doesn’t need an upgrade. It just needs a clearer path. Remove the resistance, and you don’t just restore the sound.
You uncover it.